DIY Dyneema Lifelines | ⛵ Sailing Britaly ⛵
Dyneema Lifelines Upgrade: A Step-by-Step Guide
Hey everyone, welcome back to the channel. In this episode, we dive into an exciting project: upgrading our boat’s lifelines from old stainless steel ones to lightweight Dyneema lifelines. This is a DIY job that I’ve been putting off for some time, and now it’s finally happening. But this isn’t just about replacing the lifelines – we’re also going to fit Lifeline netting for my daughter, making our boat even safer.
Why Dyneema?
Dyneema has several advantages over traditional stainless steel cables: it’s extremely lightweight and, despite being cheaper, provides a similar level of strength. It’s perfect for recreational boaters like us who don’t need to worry about every gram on board.
Step 1: Removing Old Lifelines
The process is straightforward: undo the lock nuts at each end of the lifeline, turn the turnbuckle to release it, then slide off the locking nut. With the lifeline freed, you can pull it through the apertures on the stanchions.
Step 2: Preparing Holes for New Lifelines
To prevent chafe, sand down the inside of each hole in your stanchions with sandpaper. This step is crucial to ensure your Dyneema lifelines last as long as possible without damage.
Precautions with Dyneema:
Dyneema can be vulnerable to chafe, but it’s extremely strong even when damaged – just look at that breaking load of about 3,000 kilos for the 6 mil version. Yet, a Lifeline should stop somebody from falling overboard, so we need to ensure they’re secure.
Step 3: Attaching One End
Screw one end into the pull pit and slide the Dyneema lifeline through the holes in your stanchions back towards the cockpit. Ensure it’s pulled tight before moving on.
Splicing the Lifeline
To attach the end of the Dyneema lifeline to itself, I’m using a splice method that’s easy and strong. It creates a loop at one end that you can easily use to attach to your boat.
I learned this technique from The Rigging Doctor on YouTube, who’ve been using their Dyneema rigging for 9 years without any issues. This splice forms the core of our lifeline, and it’s incredibly secure.
Step 4: Securing the Other End
To finish off this end, I’m attaching a stainless steel thimble to give the Lifeline a nice loop at one end. This thimble can help prevent wear and tear over time.
Tying Off the Lifelines with Lashing
Once you have your Dyneema lifeline spliced, secure each end by wrapping it around the stanchion base and tying off using a lashing made from thin Dyneema. This makes the connection very tight.
The Result: A Stronger, Lighter Lifeline
Your new Dyneema lifelines should now be secure and in place, providing an excellent alternative to heavy stainless steel versions without sacrificing safety or durability. Remember, this process doesn’t have to be perfect as long as you’re using your Dyneema lines at roughly 10% of their breaking strain.
Maintain Your Lifelines
Ensure you maintain your new lifelines properly: keep an eye out for chafe points and address them promptly. Also, inspect the lifelines periodically to ensure they’re secure and free from any damage.
The Final Thought
We hope you found this guide useful for upgrading your boat’s safety gear with lightweight, durable Dyneema lifelines. These are an affordable and effective way to upgrade your sailing experience, making it safer and more enjoyable.
Let us know if you have any questions or feedback on this project; we love hearing from you! And don’t forget to subscribe for future DIY boating tips and projects like this one.
🔔SUBSCRIBE ➜ http://bit.ly/SBYouTube⛵ Dyneema lifelines are seen on many sailboats these days. This DIY Dyneema lifeline installation video might help explain why... 👇 Click "...more" To See The Links Below! 👇
Get more info about this job, including a parts list and prices here:
➜ https://www.patreon.com/posts/103722912 (Free to access)
Join our Patreon Crew here! (LOTS of valuable goodies await you - check out our TREASURE CHEST!)
➜ https://patreon.com/sailingbritaly
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Timestamps for your convenience:
00:00 Intro
00:30 Old stainless steel lifeline damage
00:54 Removing old lifelines
01:20 Pros & cons of Dyneema lifelines vs stainless steel lifelines
02:33 Chafe mitigation
04:34 Routing options for pulpit & pushpit
05:54 Dyneema eye splice (Mobius Brummel Locking Splice) in 6 mm lifeline
11:33 Installing the lifelines on the pulpit and through the stanchions
13:00 Measuring the length of the lifeline prior to cutting the Dyneema
13:51 Dyneema eye splice with addition of stainless steel thimble
18:23 Sealing loose end of Dyneema lashing with heat shrink
19:21 Mobius brummel locking eye splice in 3 mm Dyneema lashing line
19:59 Lashing the lifeline to the pushpit
21:28 DIY Dyneema lifelines: finished product
22:37 Clip of 4 mm Dyneema destruction test (Thanks to Trubluoffroad on YouTube)
23:28 Clips of steel winch cable snap-back (Thanks to Ronny Dahl on YouTube)
23:53 Thank you / future videos
🔔SUBSCRIBE ➜ http://bit.ly/SBYouTube⛵ To see more from us!
Here is the link to the Rigging Doctor's Dyneema eye splice video
➜ https://youtu.be/UpkqJ4GRfSg
Thank you very much to Trubluoffroad https://www.youtube.com/@TruBluOffroad and Ronny Dahl https://www.youtube.com/@Ronny_Dahl for the short video clips sampled here.
⛵Sailing Britaly⛵ We are Chris (British), Rossella (Italian), and Emma (Britalian!) We make informative sailing videos with the aim of helping YOU achieve YOUR cruising dreams, while working for a better world.
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Thank you :-)
Fair winds!
Chris, Rossella and Emma 😊
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'Sailing Britaly' is a Helvellyn Ltd brand. Disclaimer: Due to factors beyond the control of Helvellyn Ltd, we cannot guarantee against unauthorized modifications of this information, or improper use of this information. Helvellyn Ltd assumes no liability for property damage, injury or death incurred as a result of any of the information contained in this video. Helvellyn Ltd. recommends safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, open flames, or any other tools or equipment seen or implied in this video. Due to factors beyond the control of Helvellyn Ltd, no information contained in this video shall create any express or implied warranty or guarantee of any particular result. Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained in this video is the sole responsibility of the user and not Helvellyn Ltd. Disclosure: any links in this description may be affiliate links. If you decide to buy some items from them, Helvellyn Ltd may receive a small percentage compensation for having suggested the suppliers to you. (This costs you nothing) As an Amazon Associate we receive compensation for qualifying purchases. Helvellyn Ltd only recommends suppliers and products which we believe in, so there is never any conflict of interest.
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DIY Dyneema Lifelines | ⛵ Sailing Britaly ⛵ Locations
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Sailing Britaly
⛵ Sailing Britaly ⛵ We are Chris (British), Rossella (Italian), and Emma (Britalian!) We make informative sailing videos with the aim of helping YOU achieve YOUR cruising dreams, while working for a better world. Subscribe ➜ http://bit.ly/SBYouTube⛵ Get more from us here ➜ http://www.patreon.com/sailingbritaly Connect with us on Social Media: Instagram ➜ http://instagram.com/sailingbritaly Twitter ➜ http://twitter.com/sailingbritaly Facebook ➜ http://facebook.com/sailingbritaly Sailing Britaly is a Helvellyn Ltd Brand. As an Amazon Associate we earn from qualifying purchases. This costs the buyer nothing, and we we only ever recommend products which we own and love, or would buy ourselves. Thank you very much for watching, we really appreciate our viewers. 👍 Fair winds! Chris, Rossella & Emma 😊 *** p.s. We are a FAMILY FRIENDLY channel, so please feel free to watch our videos anywhere, in the company of anyone! :-) AWIN
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